Average annual temperature is 26.8 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 75 days
Number of rainy days: 290 days
Look at detailed online map of Diyavinna
* Weather data for Diyavinna Sri Lanka is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.6 | 34.9 | 36.2 | 36.9 | 35.8 | 34.7 | 33.6 | 35.9 | 31.6 | 30.6 | 30.6 | 31.3 |
| Average daytime temperature (°C) | 32.0 | 32.2 | 33.7 | 34.0 | 32.1 | 33.5 | 32.0 | 34.2 | 29.8 | 29.2 | 29.3 | 29.3 |
| Average temperature (°C) | 25.7 | 26.1 | 27.2 | 27.5 | 27.8 | 28.8 | 27.9 | 28.9 | 26.1 | 25.2 | 25.1 | 25.2 |
| Average night temperature (°C) | 20.6 | 21.4 | 22.7 | 23.4 | 24.8 | 25.8 | 24.9 | 25.3 | 23.6 | 22.7 | 22.5 | 22.2 |
| Absolute minimum temperature (°C) | 17.6 | 19.3 | 21.3 | 21.8 | 23.1 | 24.5 | 23.4 | 23.8 | 22.1 | 21.5 | 21.4 | 19.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.7 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.7 | 9.7 | 9.8 | 9.7 | 9.1 | 10.9 | 9.9 | 11.1 | 9.1 | 7.3 | 7.4 | 7.9 |
| Precipitation (mm) | 54 | 89 | 124 | 126 | 131 | 13 | 47 | 61 | 246 | 602 | 537 | 279 |
| Sunny days | 10 | 8 | 2 | 1 | 9 | 14 | 13 | 12 | 0 | 0 | 0 | 6 |
| Rainy days | 21 | 20 | 29 | 29 | 22 | 16 | 18 | 19 | 30 | 31 | 30 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Diyavinna is at